Apex Tactical Specialties Action Enhancement Trigger Kit, Black, Includes Apex Performance Connector, Fits Gen 5 Glock G17 & G19, Will Not Fit Any Gen 3 Or Gen 4 Models 102-116 The Action Enhancement Kit for Gen 5 Glock pistols features the Apex Action Enhancement Trigger" with Gen 5 Trigger Bar" and Apex Performance Connector. The kit is a direct drop-in replacement and provides for a vastly improved trigger pull while maintaining factory safety values.